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प्रश्न
The sides of certain triangles are given below. Determine which of them are right triangles.
7 cm, 24 cm, 25 cm
योग
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उत्तर
A=7 cm, b = 24 cm and c = 25 cm
Then,
`a^2+b^2=7^2+24^2`
=49+576
=625
`c^2=25^2`
=625
`a^2+b^2=c^2`
Thus, the given triangle is a right-angled.
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अध्याय 7: Triangles - EXERCISE 7D [पृष्ठ ४४१]
